Sharp CD-M4000W Service Manual page 47

IC1 VHiLC78645E-1: CD Servo (LC78645E)
SLC0
SLCIST
EFMIN
RFVDD
RFVSS
FIN1
FIN2
TIN1
TIN2
VREF
REFI
TEC
RFMON
JITTC
ADAVDD
ADAVSS
TD0
80 79 78 77 76 75 74
1
2
3
RF
4
5
6
7
8
9
10
11
12
13
FE
14
15
TE
16
17
18
19
20
21 22 23 24 25 26 27
+
FIN1
–
+
–
FIN2 +
–
TIN1 +
TBAL
–
+
TIN2
TBAL
–
LEVEL SET
REF1
DETECT
SERVO PROCESSOR
A/D
ADIN
ADAVDD
ADAVSS
JITTC
DETECT
SLC0
SLICE LEVEL
EFMIN
CONTROL
SLCIST
PCK
PDO1
PDO2
PLL
FR
PCKIST VCEC
VVDD
CLV,CAV
VVSS
CONTROL
SBCK/FG
XIN
XOUT
CLOCK
16MOUT
XVDD
GENERATOR
XVSS
*RES
*WRQ
CL
COMMAND
CE
DI
INTERFACE
DO
VDD5V
GENERAL-PURPOSE
CONT1, 2, 3
CONT4, 5 PORTS
SBCK/CONT6
8FS
DIGITAL FILTER
1bit DAC
TEST
Figure 47 BLOCK DIAGRAM OF IC
73 72 71 70 69 68 67
LC78645E
28 29 30 31 32 33 34
MIX AGC EQ
LPF
LPF SW
+
–
LPF +
–
–
+
RAM
TRACK JUMP
AUTO ADJUST
JITTER
SW D/A
DRF
RUPTURE DEFECT
FRAME SYNC
DETECT,PROTECT INSERT,
EFN DECODE
SUBCODE DECODE CRC
MONITOR SIGNAL SELECTOR
RAM
ERROR
CORRECTION
AUDIO CD
AUDIO OUT
INTERPOLATION
SERIAL
MUTE
OUT
ATTENUATION
DEEMPHSIS
EXTERNAL
LPF
AUDIO IN
– 47 –
CD-M4000W/CP-M4000
66 65 64 63 62 61
60 DATA
DATACK
59
58 LRSY
ASDFIN
57
56 ASDACK
55 ASLRCK
54 16MOUT
53 EFLG
52
C2F
51
XVSS
50
FSX/16MIN
49
XIN
48
XOUT
47
XVDD
46
RVDD
45 RCH0
44
RVSS
43
LVSS
42 LCH0
41
LVDD
35 36 37 38 39 40
RFVDD
RFVSS
PH
BH
+
–
+
–
MONI
RFMON
CONT
VREF
LDD
APC
LDS
FD0
TD0
S/H
SLD0
SPD0
GPDAC
DRF
VDD
FSEQ
V/*P
VDD
VSS
MONI1~5
FSK/16MIN
C2F
EFLG
DOUT
LRSY
DATACK
DATA
ASLRCK
ASDQCK
ASDFIN